Quick answers
- Where does Marc H. Ma see patients?
- Medicare's clinician data lists 2 practice locations, including Rowland Heights, CA and San Gabriel, CA. Call before your visit to confirm the address.
- What is Marc H. Ma's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Marc H. Ma accept Medicare assignment?
- Yes. Medicare's clinician data says Marc H. Ma accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marc H. Ma offer telehealth?
- Medicare's clinician data says Marc H. Ma offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marc H. Ma?
- (213) 265-5838, as listed in official Medicare / NPI Registry data.
- What is Marc H. Ma's NPI number?
- 1740500313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marc H. Ma is enrolled with Medicare (CMS data updated 2026-10-02).
- 18750 Colima Rd, Suite A1Rowland Heights, CA 91748 (213) 265‑5838
- 923 S San Gabriel BlvdSan Gabriel, CA 91776 (626) 286‑8700
Group practices
Medicare enrollment lists Marc H. Ma as a member of this group (CMS data updated 2026-10-02).
- Herald Christian Health Center12 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1740500313 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians